When I first tried CytoNOX, to be honest with you I was just expecting your typical NO pre-workout supplement. But I have to admit I was pleasantly supprised. I got a nice boost of energy,I had a nice, focused and intense workout and felt like I could do more. The energy I had last a couple of hours and the pump lasted all day. The caffeine was not too much, it had just enough for those who are caffeine sensitive. As far as the taste, it was not that bad it was sweet but left a bit of an after taste but that went away after a few sips of water. After a few weeks I noticed some hardness in my physique, which is always a plus. This inturn lead to some muscle gain that was nice. Overall good product and you will not be dissapointed and the price is fair as well.